What is the cheapest airline that flies from Maine to Ontario?

Porter Airlines, Air Canada, and Air Transat are the most popular carriers operating from Maine to Ontario

How long is the flight from Maine to Region of Ontario?

Average flight duration from Maine to Region of Ontario depends on which airport you fly into and out of. Flying from Bangor to Toronto Pearson Intl Airport is 7h 15m on average, while flying from Portland to Toronto Pearson Intl Airport is 8h 18m on average. Toronto Pearson Intl Airport is the most popular airport in Region of Ontario.

How many flights depart from Maine to Region of Ontario on average per week?

The number of flights available between Maine and Region of Ontario is 202 per week as of July 2025. The most frequent departure day is Wed, with 17% of weekly flights leaving on this day.

When did momondo last update prices for flights from Maine to Ontario?

Prices for flights from Maine to Ontario are updated daily.

How many operators does momondo search for flights from Maine to Ontario?

There are 5 operators available for flights from Maine to Ontario as of July 2025.

How old do you have to be to fly from Maine to Ontario?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maine to Ontario.

What documentation or ID do you need to fly to Ontario?

The travel and health documents you'll need for your trip to Ontario may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$83 Cheap Flights from Maine to Ontario in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Maine to Ontario

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:45 pm - 8:34 pmBOS-YTZ

1h 49mnonstop

3:10 pm - 4:51 pmYTZ-BOS

1h 41mnonstop

$194Porter Airlines

Find Deal

sáb., sep. 13 - lun., sep. 15

6:45 pm - 8:34 pmBOS-YTZ

1h 49mnonstop

3:10 pm - 4:51 pmYTZ-BOS

1h 41mnonstop

$195Porter Airlines

Find Deal

sáb., sep. 13 - lun., sep. 15

10:40 am - 12:35 pmBOS-YYZ

1h 55mnonstop

7:40 am - 5:58 pmYYZ-BOS

10h 18m2 stops

$203

Find Deal

sáb., sep. 13 - sáb., sep. 20

6:00 am - 11:45 amBOS-YTZ

5h 45m1 stop

5:25 pm - 9:25 pmYTZ-BOS

4h 00m1 stop

$207Air Canada

Find Deal

vie., sep. 12 - vie., sep. 19

6:00 am - 11:45 amBOS-YTZ

5h 45m1 stop

12:00 pm - 5:58 pmYTZ-BOS

5h 58m1 stop

$211

Find Deal

dom., sep. 14 - dom., sep. 21

10:40 am - 12:35 pmBOS-YYZ

1h 55mnonstop

8:15 am - 9:55 amYYZ-BOS

1h 40mnonstop

$213Air Canada

Find Deal

sáb., sep. 13 - sáb., sep. 20

7:30 pm - 11:03 pmBOS-YYZ

3h 33m1 stop

10:55 am - 6:49 pmYYZ-BOS

7h 54m1 stop

$273American Airlines

Find Deal

lun., sep. 8 - jue., sep. 18

7:00 am - 11:02 pmPWM-YYZ

16h 02m1 stop

7:14 am - 8:14 pmYYZ-PWM

13h 00m1 stop

$399American Airlines

Find Deal

mar., oct. 21 - mar., oct. 28

7:00 pm - 5:12 amBOS-YXU

34h 12m3 stops

6:00 am - 5:40 pmYXU-BOS

11h 40m1 stop

$462WestJet

Find Deal

vie., sep. 12 - vie., sep. 19

7:00 pm - 7:07 pmBOS-YXU

24h 07m2 stops

6:00 am - 5:40 pmYXU-BOS

11h 40m1 stop

$468WestJet

Find Deal

vie., sep. 12 - vie., sep. 19

Delta flights from Maine to Region of Ontario

Our best Delta deals on Maine to Region of Ontario flight tickets

Delta

Sep 6

BOS4:55 pmBoston Logan Intl

6h 16m

1 stop

YYZ11:11 pmToronto Pearson Intl

Sep 20

YYZ6:03 amToronto Pearson Intl

4h 50m

1 stop

BOS10:53 amBoston Logan Intl

$268

Find similar

Delta

Oct 21

PWM2:38 pmPortland

8h 27m

1 stop

YYZ11:05 pmToronto Pearson Intl

Oct 28

YYZ6:15 amToronto Pearson Intl

8h 06m

1 stop

PWM2:21 pmPortland

$369

Find similar

Delta

Aug 8

BOS10:00 amBoston Logan Intl

7h 33m

1 stop

YYZ5:33 pmToronto Pearson Intl

Aug 12

YYZ6:15 amToronto Pearson Intl

7h 01m

1 stop

BOS1:16 pmBoston Logan Intl

$406

Find similar

American Airlines flights from Maine to Region of Ontario

Our best American Airlines deals on Maine to Region of Ontario flight tickets

American Airlines

Sep 8

BOS7:30 pmBoston Logan Intl

3h 33m

1 stop

YYZ11:03 pmToronto Pearson Intl

Sep 18

YYZ10:55 amToronto Pearson Intl

7h 54m

1 stop

BOS6:49 pmBoston Logan Intl

$273

Find similar

American Airlines

Aug 9

BOS5:54 amBoston Logan Intl

9h 42m

1 stop

YYZ3:36 pmToronto Pearson Intl

Aug 26

YYZ7:15 amToronto Pearson Intl

9h 41m

1 stop

BOS4:56 pmBoston Logan Intl

$385

Find similar

American Airlines

Aug 9

BOS7:28 amBoston Logan Intl

8h 08m

1 stop

YYZ3:36 pmToronto Pearson Intl

Aug 26

YYZ7:15 amToronto Pearson Intl

4h 44m

1 stop

BOS11:59 amBoston Logan Intl

$388

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

sáb. 9/13

6:45 pm-8:34 pm

Nonstop1h 49m

Toronto Island

lun. 9/15

3:10 pm-4:51 pm

Nonstop1h 41m

$194

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

sáb. 9/13

6:45 pm-8:34 pm

Nonstop1h 49m

Toronto Island

lun. 9/15

3:10 pm-4:51 pm

Nonstop1h 41m

$195

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

sáb. 9/13

10:40 am-12:35 pm

Nonstop1h 55m

Toronto Pearson Intl

sáb. 9/20

7:40 am-5:58 pm

2 stops10h 18m

$203

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

vie. 9/12

6:00 am-11:45 am

1 stop5h 45m

Toronto Island

vie. 9/19

5:25 pm-9:25 pm

1 stop4h 00m

$207

BostonToronto

BOS - YTZ

BOSYTZ

Boston Logan Intl

dom. 9/14

6:00 am-11:45 am

1 stop5h 45m

Toronto Island

dom. 9/21

12:00 pm-5:58 pm

1 stop5h 58m

$211

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

sáb. 9/13

10:40 am-12:35 pm

Nonstop1h 55m

Toronto Pearson Intl

sáb. 9/20

8:15 am-9:55 am

Nonstop1h 40m

$213

BostonToronto

BOS - YYZ

BOSYYZ

Boston Logan Intl

lun. 9/8

7:30 pm-11:03 pm

1 stop3h 33m

Toronto Pearson Intl

jue. 9/18

10:55 am-6:49 pm

1 stop7h 54m

$273

PortlandToronto

PWM - YYZ

PWMYYZ

Portland

mar. 10/21

7:00 am-11:02 pm

1 stop16h 02m

Toronto Pearson Intl

mar. 10/28

7:14 am-8:14 pm

1 stop13h 00m

$399

BostonLondon

BOS - YXU

BOSYXU

Boston Logan Intl

vie. 9/12

7:00 pm-5:12 am

3 stops34h 12m

London

vie. 9/19

6:00 am-5:40 pm

1 stop11h 40m

$462

BostonLondon

BOS - YXU

BOSYXU

Boston Logan Intl

vie. 9/12

7:00 pm-7:07 pm

2 stops24h 07m

London

vie. 9/19

6:00 am-5:40 pm

1 stop11h 40m

$468

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Maine to Region of Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Region of Ontario?

The month of March is, on average, the cheapest month to fly to Region of Ontario from Maine, with most prices found around $360. If you aren’t able to travel during the month of March, then book flights to Region of Ontario from Maine during January instead. Flights to Region of Ontario in January, while not as cheap as those in March, still average around $398.

What is the cheapest day to depart on your flight to Region of Ontario?

According to our data, Saturday is the cheapest day to fly to Region of Ontario from Maine. The lowest ticket price found for a Saturday departure recently was $286. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Maine to Region of Ontario on a Friday will generally be more expensive and average around $591. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Region of Ontario?

According to our data, the cheapest time of day to fly to Region of Ontario is in the afternoon. momondo users have found flights departing from Maine to Region of Ontario in the afternoon for as low as $457. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $500.

Can stopping save me money on Maine to Region of Ontario flights?

You could potentially save up to 27% on your flight if you consider stops on a Maine to Region of Ontario flight.

Cheap Maine to Region of Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maine to Region of Ontario

Best Price Found	$83
Fastest flight time	1h 25m
Direct flights	Every day
Airports in Region of Ontario	4 airports

The best one-way flight to Region of Ontario from Maine in the past 72 hours is $83. The best round-trip flight deal from Maine to Region of Ontario found on momondo in the last 72 hours is $194.

The fastest flight from Maine to Region of Ontario takes 1h 25m

Direct flights go from Maine to Region of Ontario every day.

There are 4 airports near Region of Ontario: Ottawa (YOW), Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ), Toronto Island (YTZ)

Search flight deals

When did momondo last update prices for flights from Maine to Ontario?
Prices for flights from Maine to Ontario are updated daily.
How many operators does momondo search for flights from Maine to Ontario?
There are 5 operators available for flights from Maine to Ontario as of July 2025.
How old do you have to be to fly from Maine to Ontario?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Maine to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents you'll need for your trip to Ontario may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Maine to Region of Ontario

Compare and see reviews for airlines that fly from Maine to Region of Ontario with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $247	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Maine to Ontario?

It is quick and easy to find Maine to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.

Can I find flights from Maine to Ontario with flexible booking policies on momondo?

Yes. All flights to Ontario from Maine on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Maine to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Maine.

I’m not ready to book a flight from Maine to Ontario right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Maine to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.